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<title>OPENSSL_load_builtin_modules</title>
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<ul id="index">
  <li><a href="#NAME">NAME</a></li>
  <li><a href="#SYNOPSIS">SYNOPSIS</a></li>
  <li><a href="#DESCRIPTION">DESCRIPTION</a></li>
  <li><a href="#NOTES">NOTES</a></li>
  <li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
  <li><a href="#SEE-ALSO">SEE ALSO</a></li>
  <li><a href="#HISTORY">HISTORY</a></li>
  <li><a href="#COPYRIGHT">COPYRIGHT</a></li>
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<h1 id="NAME">NAME</h1>

<p>OPENSSL_load_builtin_modules, ASN1_add_oid_module, ENGINE_add_conf_module - add standard configuration modules</p>

<h1 id="SYNOPSIS">SYNOPSIS</h1>

<pre><code>#include &lt;openssl/conf.h&gt;

void OPENSSL_load_builtin_modules(void);
void ASN1_add_oid_module(void);
void ENGINE_add_conf_module(void);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>The function OPENSSL_load_builtin_modules() adds all the standard OpenSSL configuration modules to the internal list. They can then be used by the OpenSSL configuration code.</p>

<p>ASN1_add_oid_module() adds just the ASN1 OBJECT module.</p>

<p>ENGINE_add_conf_module() adds just the ENGINE configuration module.</p>

<h1 id="NOTES">NOTES</h1>

<p>If the simple configuration function OPENSSL_config() is called then OPENSSL_load_builtin_modules() is called automatically.</p>

<p>Applications which use the configuration functions directly will need to call OPENSSL_load_builtin_modules() themselves <i>before</i> any other configuration code.</p>

<p>Applications should call OPENSSL_load_builtin_modules() to load all configuration modules instead of adding modules selectively: otherwise functionality may be missing from the application if an when new modules are added.</p>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

<p>None of the functions return a value.</p>

<h1 id="SEE-ALSO">SEE ALSO</h1>

<p><a href="../man5/config.html">config(5)</a>, <a href="../man3/OPENSSL_config.html">OPENSSL_config(3)</a></p>

<h1 id="HISTORY">HISTORY</h1>

<p>ENGINE_add_conf_module() was deprecated in OpenSSL 3.0.</p>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

<p>Copyright 2004-2020 The OpenSSL Project Authors. All Rights Reserved.</p>

<p>Licensed under the Apache License 2.0 (the &quot;License&quot;). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>


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